Loudspeaker



FIG. 1 is a front isometric view of a loudspeaker showing my new design;

FIG. 2 is front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view thereof; and,

FIG. 6 is a right side elevational view thereof. 

I claim the ornamental design for a loudspeaker, substantially as shown and described. 